Table 4 PSNR values of compressed images using original and optimized DCTs
From: A novel method for the approximation of multiplierless constant matrix vector multiplication
Image | Original | Optimized | Optimized | Optimized |
|---|---|---|---|---|
ε 1=ε ∞ =4 | ε 1=ε ∞ =8 | ε 1=ε ∞ =16 | ||
Cheese | 25.5 | 25.5 | 24.7 | 24.7 |
Cameraman | 25.12 | 25.12 | 23.77 | 23.77 |
Lena | 30.92 | 30.92 | 27 | 27 |